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nvk: add warning on non-nouveau drm driver

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Check that the drm kernel driver in use is nouveau, and
add a short description of the issue.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24326>
This commit is contained in:
Thomas H.P. Andersen 2023-01-25 22:53:15 +01:00 • committed by Marge Bot
parent 0083eb330f
commit d0cf79b28f
1 changed files with 10 additions and 0 deletions
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10
src/nouveau/winsys/nouveau_device.c
View file

@ -195,11 +195,19 @@ nouveau_ws_device_new(drmDevicePtr drm_device)
if (!ver)
goto out_err;
if (strncmp("nouveau", ver->name, ver->name_len) != 0) {
fprintf(stderr,
"DRM kernel driver '%.*s' in use. NVK requires nouveau.\n",
ver->name_len, ver->name);
goto out_err;
}
uint32_t version =
ver->version_major << 24 |
ver->version_minor << 8 |
ver->version_patchlevel;
drmFreeVersion(ver);
ver = NULL;
if (version < 0x01000301)
goto out_err;
@ -260,6 +268,8 @@ nouveau_ws_device_new(drmDevicePtr drm_device)
return device;
out_err:
if (ver)
drmFreeVersion(ver);
FREE(device);
close(fd);
return NULL;